NULL Pointer Dereference in Cesanta Frozen Library Affects Multiple Applications
CVE-2025-0696

5.3MEDIUM

Key Information:

Vendor

Cesanta

Status
Frozen
Vendor
CVE Published:
27 January 2025

What is CVE-2025-0696?

A NULL Pointer Dereference vulnerability exists in the Cesanta Frozen library, versions prior to 1.7. This flaw allows an attacker to cause a crash in any application that embeds the library by sending a specially crafted JSON input. Exploiting this vulnerability could lead to denial of service, impacting the stability and availability of affected applications.

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Affected Version(s)

Frozen 0 < 1.7

References

https://www.nozominetworks.com/labs/vulnerability-advisor...

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Diego Zaffaroni of Nozomi Networks found this bug during a security research activity.
JSON
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